ValueMapperUtil.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * 5 * 6 * 7 * The contents of this file are subject to the terms of the Liferay Enterprise 8 * Subscription License ("License"). You may not use this file except in 9 * compliance with the License. You can obtain a copy of the License by 10 * contacting Liferay, Inc. See the License for the specific language governing 11 * permissions and limitations under the License, including but not limited to 12 * distribution rights of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.upgrade.util; 24 25 import com.liferay.portal.kernel.util.FileUtil; 26 27 import java.io.BufferedWriter; 28 import java.io.FileWriter; 29 30 import java.util.Iterator; 31 32 /** 33 * <a href="ValueMapperUtil.java.html"><b><i>View Source</i></b></a> 34 * 35 * @author Brian Wing Shun Chan 36 */ 37 public class ValueMapperUtil { 38 39 public static void persist( 40 ValueMapper valueMapper, String tmpDir, String fileName) 41 throws Exception { 42 43 FileUtil.mkdirs(tmpDir); 44 45 BufferedWriter bw = new BufferedWriter( 46 new FileWriter(tmpDir + "/" + fileName + ".txt")); 47 48 try { 49 Iterator<Object> itr = valueMapper.iterator(); 50 51 while (itr.hasNext()) { 52 Object oldValue = itr.next(); 53 54 Object newValue = valueMapper.getNewValue(oldValue); 55 56 bw.write(oldValue + "=" + newValue); 57 58 if (itr.hasNext()) { 59 bw.write("\n"); 60 } 61 } 62 } 63 finally { 64 bw.close(); 65 } 66 } 67 68 }